ethirteen Helix Core espec Cranks for ISIS Spindle - 155mm, 21.5mm Offset, Black Code:CS5ESA-100 Protects the tank from scratches

Protects the tank from scratches and scuffs caused by rubbing the legs against the body

Bosch’s most powerful motor

The thoughtful design provides excellent mud rejection and maintains efficiency in all conditions

as well as Formula Cura

- Backsweep: 12 degree

ethirteen Helix Core espec Cranks for ISIS Spindle - 155mm, 21.5mm Offset, Black Code:CS5ESA-100 Protects the tank from scratchesThe ethirteen Helix Core espec Cranks offer high end drivetrain integrity and a premium look at an exceptional value. Forged from tough 6066 T6 aluminum, these ultra short 155mm crank arms are optimized to maximize ground clearance on modern low BB e MTBs, effectively eliminating pedal strikes. Featuring a 21. 5mm offset for a compact, tailored Q factor on standard ISIS spindle motors, they come complete with an alloy self extractor system, steel